CN107718062A - 一种圆环易用陶瓷刀具 - Google Patents

一种圆环易用陶瓷刀具 Download PDF

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CN107718062A
CN107718062A CN201710954780.7A CN201710954780A CN107718062A CN 107718062 A CN107718062 A CN 107718062A CN 201710954780 A CN201710954780 A CN 201710954780A CN 107718062 A CN107718062 A CN 107718062A
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王学发
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Yongzhou City Hundred Million Reaches Automated Machine Co Ltd
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Abstract

一种圆环易用陶瓷刀具，所述刀具包括刀本体和刀柄，所述刀本体为圆环状，所述刀柄为扇形或部分圆环状，所述刀本体在圆环状外边缘为切割刃，所述刀本体在直径方向上对称设置两个固定孔，所述刀柄套在刀本体上，在相应的位置设置有固定孔，螺栓穿过固定孔将刀柄和刀本体固定，所述刀柄套在刀本体圆环的一半以上部分，所述刀柄和刀本体外缘接触部分设置有缓冲橡胶，所述刀具还包括刀套，其材质与刀柄的材料相同，其与刀柄共同将刀本体包裹住。

Description

一种圆环易用陶瓷刀具
技术领域
本发明涉及一种刀具，尤其是指一种使用方便，切削省力，成本低的陶瓷刀具。
背景技术
传统刀的刀身一般采用钢材材料制作，这种刀使用一段时间之后，刀刃会钝化，不易切削，且切分食物时，金属味会遗留在食物上，影响食物的口感。为改善金属刀的不足，业界开始推出陶瓷刀，该陶瓷刀的刀身采用高硬度的陶瓷材料制作，具有锋利度高、耐磨损、抗腐蚀、易清洗且不会给食物带来异味等优点，深受人们的喜爱。
陶瓷刀作为高科技的产物，其具有传统金属刀具所无法比拟的优点。其中，陶瓷刀的硬度仅仅比世界上最硬的钻石小，在使用时不会出现磨损损耗的现象，一般情况下并不需要磨刀，使用方便持久。另外，由于陶瓷刀的密度相当高，其表面无毛细孔，因此利用其进行切割所得的食物并不会残留异味或金属味。除了上面的描述以外，陶瓷刀还具有抗磁化、抗氧化、不生锈、易于清洗等优点。
目前市面上常见的陶瓷刀一般包括陶瓷刀片和塑料刀柄，陶瓷刀片的后端具有插柄，刀柄的前端具有与该插柄配合的插孔，插柄插装在插孔内，插孔与刀柄直接填充有化学粘结剂，使陶瓷刀片与刀柄牢牢的结合为一体。
发明内容
本发明的目的在于提供一种圆环易用陶瓷刀具，通过对刀具结构的设计，刀体、刀柄的材料的优化，使得陶瓷刀具使用方便，省力，刀本体具有更高的强度和韧性，开刃后具有更高的锋利度和耐久锋利度，同时具备抗菌功能。
一种圆环易用陶瓷刀具，所述刀具包括刀本体和刀柄，所述刀本体为圆环状，所述刀柄为扇形或部分圆环状，所述刀本体在圆环状外边缘为切割刃，所述刀本体由以下原料组成：Al2O3：10-18%； TiC：5-15%； WC：2-5%； Y2O3：0.5-1%，Ag2O：0.2-0.5%，CuO：0.1-0.3%，TiO2：0.05-0.08%，CaO：0.2-0.6%，MgO：1-2%，余量为ZrO2；
所述刀柄主要由以下材料按重量份组成：聚乙烯树脂粒子100份、木质纤维45-60份、纳米铝矾土10-15份、柠檬酸三丁酯2-10份、环烷酸锌1-2份、硼酸锌4-6份、氨基丙基三乙氧基硅烷1-2份、十六烷基三甲基溴化铵1-2份、聚乙烯醇3-7份、荷荷巴油2-3份。
进一步地，所述刀本体的制备方法包括以下步骤：
(1)将Ag2O：0.2-0.5%，CuO：0.1-0.3%，TiO2：0.05-0.08%，CaO：0.2-0.6%，MgO：1-2%和水放入球磨机中球磨，制成浆料，然后在800-900℃烧结，去除水份，破碎，对破碎后的粉料继续继续球磨至5微米以下粉料；
(2)将Al2O3， TiC，WC，Y2O3，ZrO2与步骤(1)获得的粉料进行混合，加入适量水，采用湿式球磨，，搅拌湿法球磨2-4小时，球磨机转速为400-600r/min；、
(3)对步骤(2)球磨后的粉料模压成型，模压压力为5MPa，模压温度为140℃；
(4)真空热压烧结：烧结温度1450-1650℃，烧结时间3-8小时，机械加压压力45-150MPa；
(5)热处理，首先进行深冷处理：先从室温降到-60℃～-80℃，冷却速度为1-2℃/min，保温1-3h；再降温到-120℃～-140℃，冷却速度为3-4℃/min，保温12-36h 再降温到-150℃～-196℃，冷却速度为1-2℃/min，保温12-24h。深冷处理后，关闭液氮输入阀，将坯体放置在室温下，自然回温到室温；接着对坯料进行加热，加热到340-380℃，加热速度为1-2℃/min，保温1～4h，然后加热到700-730℃，加热速度为5-10℃/min，保温1～4h，而后自然冷却到室温；
(6)对热处理后的坯料进行打磨、抛光、开刃制得刀本体。
进一步地，所述刀柄的制备方法包括以下步骤：
(1) 根据原料配比，将聚乙烯树脂粒子、木质纤维、纳米铝矾土、环烷酸锌、硼酸锌加入搅拌机中混合，转速为500-800转/分钟，时间为10-30分钟，温度为60-80℃，得到混合物备用；
(2)将步骤（1）得到的混料，加入柠檬酸三丁酯份、氨基丙基三乙氧基硅烷、十六烷基三甲基溴化铵、聚乙烯醇、荷荷巴油继续搅拌，转速为800-1200转/分钟，时间为15-45分钟，温度为90-135℃，得到混合物备用；
（3）将步骤（2）得到的混合物加入到造粒机110-140℃温度下进行造粒，将得到的粒料冷却后，根据刀柄形状进行注塑成型。
进一步地，所述刀本体在直径方向上对称设置两个固定孔，所述刀柄套在刀本体上，在相应的位置设置有固定孔，螺栓穿过固定孔将刀柄和刀本体固定。
进一步地，所述刀柄套在刀本体圆环的一半以上部分。
进一步地，所述刀柄和刀本体外缘接触部分设置有缓冲橡胶。
进一步地，所述刀具还包括刀套，其材质与刀柄的材料相同，其与刀柄共同将刀本体包裹住。
本发明具有以下有益效果：
通过将刀本体设置为圆环状，握刀方便，用力集中，同时，圆环外缘一圈都具有刀刃，到一边的刀刃不好用时，可以将刀柄设置到另一边，继续使用，这样的结构更换也极其方便。
刀具本体成分设计和优化，以及烧结、热处理制度的优化，利用本发明的方法进行刀具制备，保证烧结后微观结构中晶粒的大小集中在0.1～1μm，并且形成的晶貌为规则清晰的多边形，由此得到的陶瓷刀的抗弯强度，韧性取得明显的改善，由本发明制备得到的陶瓷刀具与现有陶瓷刀相比，具有更高的强度和韧性，开刃后具有更高的锋利度和耐久锋利度。刀具具有陶瓷高硬度、耐磨损、耐腐蚀、永不生锈，同时本发明的陶瓷刀具有抗菌成分配方，刀本体具有抗菌功能，特别是具有很好的抵抗和抑制金黄色葡萄球菌和白色念球菌的能力。
通过对刀柄配方和制备方法的优化，刀柄不容易产生裂纹、手感好、并且绿色环保。，手柄和刀体结合良好，提高陶瓷刀的质量和品质。
本发明的其它特征和优点将在随后的说明书中阐述，并且部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的主要目的和其它优点可通过在说明书、权利要求书中所特别指出的方案来实现和获得。
附图说明
附图仅用于示出具体实施例的目的，而并不认为是对本发明的限制，在整个附图中，相同的参考符号表示相同的部件。
图1为本发明的刀柄与刀本体组合示意图；
图2为本发明的刀本体示意图；
图3为刀套示意图；
其中：1-刀本体 2-刀柄 3-螺栓 4-固定孔 5-刀套。
具体实施方式
实施例1
一种圆环易用陶瓷刀具，所述刀具包括刀本体和刀柄，所述刀本体为圆环状，所述刀柄为扇形或部分圆环状，所述刀本体在圆环状外边缘为切割刃，，所述刀本体在直径方向上对称设置两个固定孔，所述刀柄套在刀本体上，在相应的位置设置有固定孔，螺栓穿过固定孔将刀柄和刀本体固定，所述刀柄套在刀本体圆环的一半以上部分，所述刀柄和刀本体外缘接触部分设置有缓冲橡胶，所述刀具还包括刀套，其材质与刀柄的材料相同，其与刀柄共同将刀本体包裹住。
实施例2
所述刀本体由以下原料组成：Al2O3：14%； TiC：8%； WC：3.5%； Y2O3：0.7%，Ag2O：0.3%，CuO：0.2%，TiO2：0.06%，CaO：0.45%，MgO：1.3%，余量为ZrO2；
所述刀柄主要由以下材料按重量份组成：聚乙烯树脂粒子100份、木质纤维48份、纳米铝矾土12.5份、柠檬酸三丁酯8份、环烷酸锌1.3份、硼酸锌4.6份、氨基丙基三乙氧基硅烷1.7份、十六烷基三甲基溴化铵1.85份、聚乙烯醇4.3份、荷荷巴油2.5份。
所述刀本体的制备方法包括以下步骤：
(1)将Ag2O，CuO，TiO2，CaO，MgO和水放入球磨机中球磨，制成浆料，然后在800-900℃烧结，去除水份，破碎，对破碎后的粉料继续继续球磨至5微米以下粉料；
(2)将Al2O3， TiC，WC，Y2O3，ZrO2与步骤(1)获得的粉料进行混合，加入适量水，采用湿式球磨，，搅拌湿法球磨3小时，球磨机转速为500r/min；
(3)对步骤(2)球磨后的粉料模压成型，模压压力为5MPa，模压温度为140℃；
(4)真空热压烧结：烧结温度1500℃，烧结时间4小时，机械加压压力70MPa；
(5)热处理，首先进行深冷处理：先从室温降到-75℃，冷却速度为1℃/min，保温1h；再降温到-135℃，冷却速度为3℃/min，保温24h 再降温到-170℃，冷却速度为2℃/min，保温14h。深冷处理后，关闭液氮输入阀，将坯体放置在室温下，自然回温到室温；接着对坯料进行加热，加热到355℃，加热速度为1.5℃/min，保温3h，然后加热到720℃，加热速度为6℃/min，保温2h，而后自然冷却到室温；
(6)对热处理后的坯料进行打磨、抛光、开刃制得刀本体。
所述刀柄的制备方法包括以下步骤：
(1) 根据原料配比，将聚乙烯树脂粒子、木质纤维、纳米铝矾土、环烷酸锌、硼酸锌加入搅拌机中混合，转速为600转/分钟，时间为15分钟，温度为70℃，得到混合物备用；
(2)将步骤（1）得到的混料，加入柠檬酸三丁酯份、氨基丙基三乙氧基硅烷、十六烷基三甲基溴化铵、聚乙烯醇、荷荷巴油继续搅拌，转速为1000转/分钟，时间为30分钟，温度为100℃，得到混合物备用；
（3）将步骤（2）得到的混合物加入到造粒机在125℃温度下进行造粒，将得到的粒料冷却后，根据刀柄形状进行注塑成型。
实施例3-6
实施例3-6分别采用下述配方，同时采用在本发明保护范围内的相似工艺制度制备陶瓷刀。
上所述仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内所想到的变化或替换，都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种圆环易用陶瓷刀具，其特征在于，所述刀具包括刀本体和刀柄，所述刀本体为圆环状，所述刀柄为扇形或部分圆环状，所述刀本体在圆环状外边缘为切割刃，所述刀本体由以下原料组成：Al2O3：10-18%； TiC：5-15%； WC：2-5%； Y2O3：0.5-1%，Ag2O：0.2-0.5%，CuO：0.1-0.3%，TiO2：0.05-0.08%，CaO：0.2-0.6%，MgO：1-2%，余量为ZrO2；
所述刀柄主要由以下材料按重量份组成：聚乙烯树脂粒子100份、木质纤维45-60份、纳米铝矾土10-15份、柠檬酸三丁酯2-10份、环烷酸锌1-2份、硼酸锌4-6份、氨基丙基三乙氧基硅烷1-2份、十六烷基三甲基溴化铵1-2份、聚乙烯醇3-7份、荷荷巴油2-3份。
2.如权利要求1所述的圆环易用陶瓷刀具，其特征在于，所述刀本体的制备方法包括以下步骤：
(1)将Ag2O：0.2-0.5%，CuO：0.1-0.3%，TiO2：0.05-0.08%，CaO：0.2-0.6%，MgO：1-2%和水放入球磨机中球磨，制成浆料，然后在800-900℃烧结，去除水份，破碎，对破碎后的粉料继续继续球磨至5微米以下粉料；
(2)将Al2O3， TiC，WC，Y2O3，ZrO2与步骤(1)获得的粉料进行混合，加入适量水，采用湿式球磨，搅拌湿法球磨2-4小时，球磨机转速为400-600r/min；、
(3)对步骤(2)球磨后的粉料模压成型，模压压力为5-10MPa，模压温度为120-140℃；
(4)真空热压烧结：烧结温度1450-1650℃，烧结时间3-8小时，机械加压压力45-150MPa；
(5)热处理，首先进行深冷处理：先从室温降到-60℃～-80℃，冷却速度为1-2℃/min，保温1-3h；再降温到-120℃～-140℃，冷却速度为3-4℃/min，保温12-36h 再降温到-150℃～-196℃，冷却速度为1-2℃/min，保温12-24h。
3.深冷处理后，关闭液氮输入阀，将坯体放置在室温下，自然回温到室温；接着对坯料进行加热，加热到340-380℃，加热速度为1-2℃/min，保温1～4h，然后加热到700-730℃，加热速度为5-10℃/min，保温1～4h，而后自然冷却到室温；
(6)对热处理后的坯料进行打磨、抛光、开刃制得刀本体。
4.如权利要求1所述的圆环易用陶瓷刀具，其特征在于，所述刀柄的制备方法包括以下步骤：
(1) 根据原料配比，将聚乙烯树脂粒子、木质纤维、纳米铝矾土、环烷酸锌、硼酸锌加入搅拌机中混合，转速为500-800转/分钟，时间为10-30分钟，温度为60-80℃，得到混 合物备用；
(2)将步骤（1）得到的混料，加入柠檬酸三丁酯份、氨基丙基三乙氧基硅烷、十六烷基三甲基溴化铵、聚乙烯醇、荷荷巴油继续搅拌，转速为800-1200转/分钟，时间为15-45分 钟，温度为90-135℃，得到混合物备用；
（3）将步骤（2）得到的混合物加入到造粒机110-140℃温度下进行造粒，将得到的粒料冷却后，根据刀柄形状进行注塑成型。
5.如权利要求1所述的圆环易用陶瓷刀具，其特征在于，所述刀本体在直径方向上对称设置两个固定孔，所述刀柄套在刀本体上，在相应的位置设置有固定孔，螺栓穿过固定孔将刀柄和刀本体固定。
6.如权利要求1所述的圆环易用陶瓷刀具，其特征在于，所述刀柄套在刀本体圆环的一半以上部分。
7.如权利要求1所述的圆环易用陶瓷刀具，其特征在于，所述刀柄和刀本体外缘接触部分设置有缓冲橡胶。
8.如权利要求1所述的圆环易用陶瓷刀具，其特征在于，所述刀具还包括刀套，其材质与刀柄的材料相同，其与刀柄共同将刀本体包裹住。
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